#!/bin/bash
set -e

echo "--- Detecting OS ---"

# Source os-release
if [[ -r /etc/os-release ]]; then
    . /etc/os-release
else
    echo "Cannot determine OS (missing /etc/os-release)" >&2
    exit 1
fi

# Major version only
OSVER="${VERSION_ID%%.*}"
ARCH="$(uname -m)"
REPO_BASE_URL="https://repo.spictera.se/rpm"
GPG_KEY_URL="${REPO_BASE_URL}/RPM-GPG-KEY-spictera"
REPO_URL="${REPO_BASE_URL}/${ID}/${OSVER}/${ARCH}"

if [ "$(id -u)" != "0" ]
then
	echo "This script must be run as root." >&2
	exit 1
fi

echo "Detecting distribution..."

if command -v zypper >/dev/null
then
	DISTRO="suse"
	REPO_FILE="/etc/zypp/repos.d/spictera.repo"
	MANAGER="zypper"
elif command -v dnf >/dev/null
then
	DISTRO="rhel"
	REPO_FILE="/etc/yum.repos.d/spictera.repo"
	MANAGER="dnf"
elif command -v yum >/dev/null
then
	DISTRO="rhel"
	REPO_FILE="/etc/yum.repos.d/spictera.repo"
	MANAGER="yum"
else
	echo "Unsupported distribution (dnf, yum, or zypper required)."
	exit 1
fi

echo "Detected: $DISTRO"

echo "--- Creating Spictera repository file ---"

if [ "$DISTRO" = "suse" ]
then
	cat <<-EOF > "$REPO_FILE"
		[spictera-rpm]
		name=Spictera RPM Repository
		enabled=1
		autorefresh=1
		baseurl=$REPO_URL
		type=rpm-md
		gpgcheck=1
		gpgkey=$GPG_KEY_URL
	EOF
else
	cat <<-EOF > "$REPO_FILE"
		[spictera-rpm]
		name=Spictera RPM Repository
		baseurl=$REPO_URL
		enabled=1
		gpgcheck=1
		gpgkey=$GPG_KEY_URL
	EOF
fi

echo "Repository installed at $REPO_FILE"

echo "--- Refreshing metadata ---"

if [ "$DISTRO" = "suse" ]
then
	zypper --gpg-auto-import-keys refresh
else
	$MANAGER clean all
	$MANAGER makecache
fi

echo "✔ Spictera repository configured successfully"
echo "You can now install packages:"
echo
echo "  RHEL / Alma / Rocky:"
echo "    dnf install spfs"
echo
echo "  SUSE:"
echo "    zypper install spfs"